@ARTICLE {6127,
author={T.  Araújo and R. Dinis},
doi={10.1109/TCOMM.2011.102011.110151},
journal={IEEE Transactions on Communications},
title={On the Accuracy of the Gaussian Approximation for the Evaluation of Nonlinear Effects in OFDM Signals },
year={2012},
month={February},
volume={60},
number={2},
pages={346-351},
ISSN={0090-6778}
}